Overview of the IR for Spoken Documents Task in NTCIR-9 Workshop.
Tomoyosi AkibaHiromitsu NishizakiKiyoaki AikawaTatsuya KawaharaTomoko MatsuiPublished in: NTCIR (2011)
Keyphrases
- spoken documents
- spoken document retrieval
- test collection
- ir evaluation
- information retrieval
- patent retrieval
- retrieval effectiveness
- web retrieval
- retrieval model
- graded relevance
- broadcast news
- query expansion
- text retrieval
- information retrieval systems
- retrieval systems
- relevant documents
- document collections
- average precision
- web search
- language model
- prior art
- relevance feedback
- search engine
- evaluation metrics
- information extraction